Leadership means to demonstrate responsibility for contributions made by the members of the team and can convince the mind, others follow the roadmap defined by heart. And it is accepted by all members in thuem.
Leadership means of expression to be responsible to the contributions of team members. And can convince others to follow planned willingly. And is acceptable to all members of the algorithm.
The leader means expression of responsibility for the work arising from the team members. And be able to convince others to follow the plan defined wholeheartedly. And acceptable to all members of the team!